Use ACCESS_WIFI_STATE when clearing wifi blacklist

Some tests using CtsNetUtils, like tethering CTS tests, do not hold
ACCESS_WIFI_STATE at install time. Use shell permissions to allow the
utility to work in such configurations.

Bug: 171621759
Test: atest CtsTetheringTest:TetheringManagerTest
Original-Change: https://android-review.googlesource.com/1490016
Merged-In: I63e76918421e5deb59fe67a64674348fb8d20265
Change-Id: I63e76918421e5deb59fe67a64674348fb8d20265
1 file changed
tree: 2730e22de5d97c467393ee356ca09863d3aec2c1
  1. tests/
  2. Tethering/